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layout: When setting post-layout / renderer scroll offsets limit by scroll area (#37829)

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Previously when scroll offsets were restored to a new scroll tree
post-layout or when receiving scroll offsets from the compositor, they
were not clamped to the available scroll area. This change fixes that.

Testing: This change fixes some WPT subtests.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
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Martin Robinson 2025-07-08 21:27:42 +02:00 • committed by GitHub
parent ec6ac0fced
commit 0db02702e7
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2 changed files with 1 additions and 28 deletions
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components/shared/compositing/display_list.rs
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@ -397,7 +397,7 @@ impl ScrollTree {
for node in self.nodes.iter_mut() {
if let SpatialTreeNodeInfo::Scroll(ref mut scroll_info) = node.info {
if let Some(offset) = offsets.get(&scroll_info.external_id) {
scroll_info.offset = *offset;
scroll_info.scroll_to_offset(*offset, ScrollType::Script);
}
}
}